OpenTechnical

OT-2026-000032598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032598) never changes.

Identity and time

Publication numberOT-2026-000032598 · never reused
Internal UUID01a0ae75-1070-77a2-a834-b122c34ee722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032598
StatusPUBLIC

Content hashes

Canonical text12373496b34db447fb6ec4540122548d1ff15f70b9ec47acc78e05de6878453f
Markdownd15ebc807f889e94878f792a4f36153759935e19f0880019ae2be2459987055a
PDF
Publication page01387428dfc891ab0bcfbe3f1906a4bc4a5535c18027c3f1d33eb8dbcbad1cd9
Manifest0b829aa93e9642108b7c1a2a7e931328fbb3582581a46cd65dd1fb98ecaaf27c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepALMyquy1C+AHFq47ByFeek4qVkzmYBbHz6a1C/99WZmnpV2TA53zbOK0Y8kODXjlY+uuaWxTf1jKGzNzM5NAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:10.726369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032598
observed 01387428dfc891ab0bcfbe3f1906a4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.706636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032598/manifest.json
observed 0b829aa93e9642108b7c1a2a7e931328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.689366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032598/publication.md
observed d15ebc807f889e94878f792a4f361537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.669860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032598/publication.txt
observed 12373496b34db447fb6ec4540122548d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.